CN220508280U - Integral overload-proof push-pull force sensor - Google Patents
Integral overload-proof push-pull force sensor Download PDFInfo
- Publication number
- CN220508280U CN220508280U CN202321484959.8U CN202321484959U CN220508280U CN 220508280 U CN220508280 U CN 220508280U CN 202321484959 U CN202321484959 U CN 202321484959U CN 220508280 U CN220508280 U CN 220508280U
- Authority
- CN
- China
- Prior art keywords
- overload
- plate assembly
- prevention
- stress plate
- deformation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 23
- 230000002265 prevention Effects 0.000 claims description 17
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 6
- 239000002184 metal Substances 0.000 abstract description 6
- 238000005520 cutting process Methods 0.000 abstract description 5
- 230000035945 sensitivity Effects 0.000 abstract description 5
- 239000000203 mixture Substances 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 8
- 238000012545 processing Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 239000012141 concentrate Substances 0.000 description 4
- 210000003437 trachea Anatomy 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 239000000806 elastomer Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Force Measurement Appropriate To Specific Purposes (AREA)
- Measurement Of Force In General (AREA)
Abstract
The utility model discloses an integrated overload-proof push-pull force sensor, which comprises an upper stress plate assembly, wherein the bottom of the upper stress plate assembly is connected with a lower stress plate assembly, overload-proof mechanisms are arranged on the outer walls of two opposite sides of the upper stress plate assembly and the lower stress plate assembly, and deformation mechanisms are symmetrically arranged on the outer walls of two sides of the upper stress plate assembly and the lower stress plate assembly, which are adjacent to the overload-proof mechanisms. The integrated overload-proof push-pull force sensor is processed by a wire cutting process through the overload-proof mechanism, and when the stress of a main body reaches a limit, the overload-proof upper plate and the overload-proof lower plate are in limit contact and propped up to death, so that the deformation beam is prevented from being damaged, and the sensor is prevented from being damaged; the sensor deformation is concentrated on the middle two main body deformation beams, so that the force feedback of the stress surface is more concentrated and effective; the signal wire is a metal strain gauge, the patch positions are respectively attached to each deformation beam up and down, and four patches are provided, so that the circuit composition principle is the Wheatstone bridge principle, and the measurement accuracy and sensitivity are enhanced.
Description
Technical Field
The utility model relates to the technical field of sensors, in particular to an integrated overload-proof push-pull force sensor.
Background
The force sensor converts the magnitude of the force into a related electrical signal. The force is a direct cause for causing the motion change of substances, the force sensor can detect mechanical quantities such as tension, pulling force, pressure, weight, torque, internal stress, strain and the like, and specific devices include metal strain gages, pressure sensors and the like, and the force sensor becomes an indispensable core component in power equipment, engineering machinery, various working machines and industrial automation systems.
As in patent CN215114951U, a force sensor overload prevention device is disclosed, comprising an elastomer, a limit structure and a slot; the elastic body is provided with a slot, and the slot is provided with a limit structure; the limiting structure comprises a pin hole and a pin; the pin is arranged in the pin hole, and the pin hole is arranged against the slot. According to the utility model, one or two steel pins are designed on the elastomer, a small-size contact area is reserved, and the purpose of limiting and protecting is achieved by processing a gap through extrusion deformation.
In the actual operation process, errors can be generated in the pressing or stretching force of most devices in long-time production, the standard force sensor cannot measure, and most standard force sensors are required to be assembled by processing accessories to realize the installation of the fixed end and the stressed end.
It can be seen that the above problems exist in the prior art, and improvements are needed.
Disclosure of Invention
In view of the above problems in the prior art, an aspect of the present utility model is to provide an integrated overload-proof push-pull force sensor, so as to solve the problems that the device is produced for a long time, resulting in on-site installation and use, the product is stressed beyond the full load range of the sensor, resulting in damage to the sensor, and most force sensors only receive pressure or only receive tensile force, and need to be replaced back and forth in the measurement process.
In order to achieve the above purpose, the integrated overload-prevention push-pull force sensor provided by the utility model comprises an upper stress plate assembly, wherein the bottom of the upper stress plate assembly is connected with a lower stress plate assembly, overload-prevention mechanisms are arranged on the outer walls of two opposite sides of the upper stress plate assembly and the lower stress plate assembly, and deformation mechanisms are symmetrically arranged on the outer walls of two sides of the upper stress plate assembly and the lower stress plate assembly, which are adjacent to the overload-prevention mechanisms.
Preferably, the top of the upper stress plate assembly is provided with an air pressure groove, and the middle of the air pressure groove is provided with an air pipe joint mounting threaded hole which is communicated with the air pressure groove so as to be clamped with an air pipe.
Preferably, the overload prevention mechanism specifically comprises an overload prevention upper plate and an overload prevention lower plate, wherein the overload prevention upper plate specifically takes the shape of a Chinese character 'tu', and the overload prevention lower plate specifically takes the shape of a Chinese character 'xi'.
The anti-overload mechanism is used for processing a wire cutting process, when the stress deformation of the main body reaches a limit, the anti-overload upper plate and the anti-overload lower plate are in limiting contact and propped up to death, so that the problem that the sensor is damaged due to damage to the deformation beam of the main body is prevented.
Preferably, the bottom of the lower stress plate assembly is provided with an air pipe running groove penetrating through the lower stress plate assembly.
Through the trachea that is equipped with walk the piping channel, air pipe joint installation screw hole and pneumatic groove can conduct compressed air in the sensor main body structure.
Preferably, the deformation mechanism is specifically a deformation beam, and strain gauges are attached to outer walls of two opposite sides of the deformation beam.
The signal wire is a metal strain gauge, the patch positions are respectively attached to each deformation beam up and down, and four patches are provided, so that the circuit composition principle is the Wheatstone bridge principle, and the measurement accuracy and sensitivity are enhanced.
Preferably, the top of the upper stress plate assembly is symmetrically provided with stress end mounting holes with respect to the air pressure groove.
Preferably, fixed end mounting holes are symmetrically formed in the bottom of the lower stress plate assembly relative to the air pipe running groove.
Through mechanical structure, concentrate on two main part deformation roof beams in the middle with sensor deformation to more concentrate the force feedback of effectual feedback stress surface, and this structure integrated into one piece, the process is simplified, with low costs, efficient.
Preferably, the outer wall of the lower stress plate assembly is provided with a signal wire.
The beneficial effects are that:
compared with the prior art, the integrated overload-prevention push-pull force sensor provided by the utility model has the following beneficial effects:
1. the anti-overload mechanism is used for processing a wire cutting process, when the stress deformation of the main body reaches a limit, the anti-overload upper plate and the anti-overload lower plate are in limiting contact and propped up to death, so that the problem that the sensor is damaged due to damage to the deformation beam of the main body is prevented.
2. Through mechanical structure, concentrate on two main part deformation roof beams in the middle with sensor deformation to more concentrate the force feedback of effectual feedback stress surface, and this structure integrated into one piece, the process is simplified, with low costs, efficient.
3. The signal wire is a metal strain gauge, the patch positions are respectively attached to each deformation beam up and down, and four patches are provided, so that the circuit composition principle is the Wheatstone bridge principle, and the measurement accuracy and sensitivity are enhanced.
4. Through the trachea that is equipped with walk the piping channel, air pipe joint installation screw hole and pneumatic groove can conduct compressed air in the sensor main body structure.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
Fig. 1 is a schematic structural diagram of an overload protection tension sensor according to an embodiment of the present utility model;
fig. 2 is a schematic structural diagram of a side section of an overload protection tension sensor according to an embodiment of the present utility model.
The main reference numerals:
1. an upper force plate assembly; 2. a lower force plate assembly; 3. a deformation beam; 4. a signal line; 101. an air pressure tank; 102. the air pipe joint is provided with a threaded hole; 103. an overload prevention upper plate; 104. a stress end mounting hole; 201. a tracheal tube groove; 202. an overload prevention lower plate; 203. and a fixed end mounting hole.
Detailed Description
In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.
As shown in fig. 1-2, an integrated overload-proof push-pull force sensor comprises an upper stress plate assembly 1, a lower stress plate assembly 2 is connected and arranged at the bottom of the upper stress plate assembly 1, overload-proof mechanisms are arranged on the outer walls of two opposite sides of the upper stress plate assembly 1 and the lower stress plate assembly 2, and deformation mechanisms are symmetrically arranged on the outer walls of two sides of the upper stress plate assembly 1 and the lower stress plate assembly 2, which are adjacent to the overload-proof mechanisms.
The integrated overload-prevention push-pull force sensor mainly aims to be processed by a wire cutting process through an overload-prevention mechanism, and when the stress deformation of a main body reaches a limit, the overload-prevention upper plate 103 and the overload-prevention lower plate 202 are in limit contact and propped up to death, so that the problem of damage to the main body deformation beam 3, which causes damage to the sensor, is prevented; the sensor deformation is concentrated on the middle two main body deformation beams 3 through a mechanical structure, so that force feedback of an effective feedback stress surface is concentrated, the structure is integrally processed and formed, the process is simplified, the cost is low, and the efficiency is high; the signal wire 4 is a metal strain gauge, the patch positions are that each deformation beam 3 is respectively stuck on the upper part and the lower part, and the total number of the patches is four, so that the circuit composition principle is a Wheatstone bridge principle, and the measurement accuracy and the sensitivity are enhanced; the air pipe joint is provided with the threaded hole 102 and the air pressure groove 101 through the air pipe running groove 201, so that compressed air can be conducted into the sensor main body structure.
In the technical scheme provided by the utility model, as can be seen from fig. 1 and 2, the pneumatic groove 101 has been seted up at the top of going up atress board subassembly 1, and the inside in pneumatic groove 101 has still been offered in the middle and has been kept communicating air pipe joint installation screw hole 102 to the joint trachea.
Furthermore, the overload prevention mechanism specifically includes an overload prevention upper plate 103 and an overload prevention lower plate 202, and the overload prevention upper plate 103 and the overload prevention lower plate 202 are processed by a wire cutting process, the overload prevention upper plate 103 is in a shape of a convex, and the overload prevention lower plate 202 is specifically in a shape of a concave.
Furthermore, the bottom of the lower stress plate assembly 2 is provided with an air pipe running groove 201 penetrating through the lower stress plate assembly 2 in the middle.
Furthermore, the deformation mechanism is specifically a deformation beam 3, strain gauges are attached to the outer walls of two opposite sides of the two deformation beams 3, so that a Wheatstone bridge can be formed by the circuit, and measurement accuracy and sensitivity are improved.
Furthermore, the top of the upper stress plate assembly 1 is symmetrically provided with stress end mounting holes 104 with respect to the air pressure tank 101.
Furthermore, the bottom of the lower stress plate assembly 2 is symmetrically provided with a fixed end mounting hole 203 with respect to the tracheal tube chute 201.
Furthermore, the outer wall of the lower stress plate assembly 2 is further provided with a signal wire 4, and the signal wire 4 is specifically a metal product, and forms a wheatstone bridge together with each strain gauge.
Working principle: in the application field, in order to realize integrated design processing, the installation of a fixed end and a stress end, which are required to be realized by processing accessory assembly, of the original standard force sensor is reduced, the performance of the whole equipment is improved, the assembly error is reduced, the accessory processing cost is reduced, and the installation time is improved;
and through overload prevention mechanism, can effectively prevent on-the-spot installation and use process product atress and surpass the sensor and carry the range and lead to the sensor damage.
While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.
Claims (7)
1. The integrated overload-prevention push-pull force sensor is characterized by comprising an upper stress plate assembly (1), wherein the bottom of the upper stress plate assembly (1) is connected with a lower stress plate assembly (2), overload-prevention mechanisms are arranged on the outer walls of two opposite sides of the upper stress plate assembly (1) and the lower stress plate assembly (2), and deformation mechanisms are symmetrically arranged on the outer walls of two sides of the upper stress plate assembly (1) and the lower stress plate assembly (2) adjacent to the overload-prevention mechanisms;
an air pressure groove (101) is formed in the top of the upper stress plate assembly (1), and an air pipe joint mounting threaded hole (102) which is communicated with each other is formed in the middle of the air pressure groove (101) so as to be clamped with an air pipe.
2. The integrated overload-prevention push-pull force sensor of claim 1, wherein the overload-prevention mechanism comprises an overload-prevention upper plate (103) and an overload-prevention lower plate (202), the overload-prevention upper plate (103) is in a convex shape, and the overload-prevention lower plate (202) is in a concave shape.
3. The integrated overload-prevention push-pull force sensor of claim 1, wherein the bottom of the lower force-bearing plate assembly (2) is centrally provided with a tracheal tube groove (201) penetrating through the lower force-bearing plate assembly (2).
4. The integrated overload-prevention push-pull force sensor of claim 1, wherein the deformation mechanism is specifically a deformation beam (3), and strain gauges are attached to outer walls of two opposite sides of the deformation beam (3).
5. The integrated overload-prevention push-pull force sensor of claim 1, wherein the top of the upper force-bearing plate assembly (1) is symmetrically provided with force-bearing end mounting holes (104) with respect to the air pressure groove (101).
6. An integrated overload-prevention push-pull force sensor according to claim 3, wherein the bottom of the lower force-bearing plate assembly (2) is symmetrically provided with fixed end mounting holes (203) with respect to the tracheal tube running groove (201).
7. An integrated overload prevention push-pull force sensor according to claim 1, characterized in that the outer wall of the lower force plate assembly (2) is provided with a signal wire (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321484959.8U CN220508280U (en) | 2023-06-12 | 2023-06-12 | Integral overload-proof push-pull force sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321484959.8U CN220508280U (en) | 2023-06-12 | 2023-06-12 | Integral overload-proof push-pull force sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220508280U true CN220508280U (en) | 2024-02-20 |
Family
ID=89873369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321484959.8U Active CN220508280U (en) | 2023-06-12 | 2023-06-12 | Integral overload-proof push-pull force sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220508280U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118418193A (en) * | 2024-07-02 | 2024-08-02 | 德瑞精工（深圳）有限公司 | Overload pressure-preventing closed-loop ZR shaft module and preparation method thereof |
-
2023
- 2023-06-12 CN CN202321484959.8U patent/CN220508280U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118418193A (en) * | 2024-07-02 | 2024-08-02 | 德瑞精工（深圳）有限公司 | Overload pressure-preventing closed-loop ZR shaft module and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN220508280U (en) | Integral overload-proof push-pull force sensor | |
| US4429579A (en) | Tie rod tension sensor | |
| US3180139A (en) | Force transducers | |
| CN104482960B (en) | Displacement and force test integrated sensor | |
| US4203318A (en) | Strain gage load cell | |
| US4491027A (en) | Wide-range load cell | |
| CN105806248B (en) | Fiber Bragg grating strain sensor peculiar to vessel | |
| CN218239137U (en) | Single-axis force sensor | |
| CN219178787U (en) | Three-dimensional force sensor of wide range | |
| US4433586A (en) | Electronic cable load gauge | |
| CN216050390U (en) | Finger pressure sensor of robot | |
| CN210089912U (en) | Hydraulic cylinder thrust sensor | |
| AU2021103206A4 (en) | A Sensor Type Elastic Washer For Dynamic Monitoring Of Screw Connection Preload | |
| CN205593621U (en) | Bellows weighing sensor | |
| CN211717572U (en) | Force sensor | |
| CN207066404U (en) | A kind of strain transducer based on image recognition | |
| CN115200482A (en) | A kind of short gauge length fiber grating displacement sensor and using method thereof | |
| CN209495792U (en) | A kind of pressure sensor | |
| CN222993875U (en) | Cylindrical three-shear beam force sensor | |
| JP5859255B2 (en) | Fluid pressure cylinder device | |
| CN208026399U (en) | Drawing and pressing type miniature force cell | |
| CN216482840U (en) | Deformation monitoring device for steel-concrete composite structure | |
| US7086299B2 (en) | Multi-load beam apparatus to prevent improper operation due to off-axis loads | |
| CN218847456U (en) | Platform type overload-prevention push-pull force sensor | |
| CN214748897U (en) | Anti-fatigue pull pressure sensor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |